if True:
    print("right?--------")
    print("right3...ok...")
    print('..')
    print('is true')
    print('welcome to shanghai!...')
    print('welcome to shanghai!...')

    print('look this white_space...')
if True:
    print('yes')
    print('nice to meet to you~~~')
    print('haha')
    print('star link plan is run...')
    print("test...")
    print('...')
class person():
    def __init__(self,a,b,c='ok'):
        self.a=a
        self.c=c
        self.b=b
        pass

  #	def __new__(cls):
  #	    pass


print('hello world')
p=person('sz',19)
print(p.a,p.b)
if True:
    print("ok")
